AsTrend, ancient carvings enhanced

A short outline of a new low cost methodology: we present the AsTrend, a new methodology for enhance and depict details of the 3D models. This technique is being revealed as an accurate method to study rock art carvings and inscriptions. We think that this method could be used by everyone as the main study objects are based in low cost photogrammetry on the acquisition of 3D models.

We present the AsTrend, a new methodology for enhance and depict details of the 3D models. It is based on the extraction of LAS points from a tridimensional model, which are processed with the most common Lidar techniques (Hesse 2010).

The AsTrend (a LAS point methodology that is being proposed here), starts from the work of Hesse (2013) and is based on the combination of several of these techniques (Miller, 1994; Štular, et al., 2012).

San Cibrao chapel, inscription (click to enlarge)

This technique is being revealed as an accurate method to study rock art carvings and inscriptions like those which are proposed here. We expect to test this technique in other supports like bones, wood, pottery and so on. We also think that this method could be used by everyone as the main study objects are based in low cost photogrammetry on the acquisition of 3D models.

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2 comments

I too believe L.I.D.A.R. technology is going to revolutionize prehistoric rock-art research. I congratulate you (and your team) for being one of the first.
I study prehistoric rock art, but from an aesthetic perspective. I call my approach, ‘the art behind the petroglyph’. Ironically, my theory is more about studying the landscape rather than the symbols. What I like about your paper is that your final results have an aesthetic element to their final appearance, even though you used a high-tech digital medium to accomplish it. The way I see it, and based on the fundamental concepts and systematic techniques I developed for studying prehistoric landscapes, it’s believe the only time a petroglyph artist could and would’ve worked on the panel was when it appeared in a 3 dimensional state, like your examples. That is why I believe the key to discovering the true purpose behind the symbols will depend on discovering the ultimate ‘single point-of-perspective’ in the field that has passed the test of time by enchanting generations of prehistoric individual into believing they were actually looking at a 3-D image of a representative pareidolic image materializing on their sacred landscape. The trick is, you have to be there at the right time and place to setup this highly sensitive and accurate modern-day scientific artist’s tool.
Thank you for spending the time.
Johnny

I too believe L.I.D.A.R. technology is going to revolutionize prehistoric rock-art research. I congratulate you (and your team) for being one of the first.
I study prehistoric rock art, but from an aesthetic perspective. I call my approach, ‘the art behind the petroglyph’. Ironically, my theory is more about studying the landscape rather than the symbols. What I like about your paper is that your final results have an aesthetic element to their final appearance, even though you used a high-tech digital medium to accomplish it. The way I see it, and based on the fundamental concepts and systematic techniques I developed for studying prehistoric landscapes, I believe the only time a petroglyph artist could and would’ve worked on the panel was when it appeared in a 3 dimensional state, like your examples. I believe the key to discovering the true purpose behind the symbols will depend on discovering the ultimate ‘single point-of-perspective’ in the field that has passed the test of time by enchanting generations of prehistoric individual into believing they were actually looking at a 3-D image of a representative pareidolic illusion in their sacred landscape. The trick is, you have to be there at the right time and place to setup this highly sensitive and accurate modern-day scientific artist’s tool.
Thank you for spending the time and keep up the good work
Johnny

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